GVSU Prof Cracks Code In NSA Tweet; Find Out What It Said

GVSU Prof Cracks Code In NSA Tweet; Find Out What It Said

ALLENDALE, Mich. (May 6, 2014) — On May 5, the National Security Agency’s twitter account @NSACareers sent out this message:

Later that day, Szymon Machajewski, an affiliate instructor in Grand Valley’s School of Computing and Information Systems, explained how to solve the code in this YouTube video:

The first thing Machajewski noticed in the message was that the message was grouped into 12-character blocks. “We’re going to be dealing with a substitution cypher,” he says in the video. In the video, he explains where to get the online tools to help solve the code.